Research Article
A Highly Sensitive Electrochemical Sensor Based on Electrocatalytic Reduction Effect of Cu2+ on Trace Determination of Malathion in Soil and Other Complex Matrices
Figure 6
Standard addition SW-CSVs for the determination of malathion and Cu2+ ions at pH 2 under the optimized parameters in soil (a) and cabbage (b) at HMDE. Deposition and staring potential −0.2 V, accumulation time 360 s scan rate = 100 mV/s, pulse amplitude = 50 mV, and frequency 60 Hz.
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(b) |